#include <stdio.h>
#define PRINT 

#define N  7

int main(){

    printf("helloN    linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    printf("hello linux\n");
    
    printf("is=%d\n",N);

#ifdef PRINT 
    printf("hellow PRINT\n");
#else
    printf("hello No\n");
#endif    
    
    return 0;
}
